/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

#ifndef THRIFT_TPROTOCOLDECORATOR_H_
#define THRIFT_TPROTOCOLDECORATOR_H_ 1

#include <thrift/protocol/TProtocol.h>
#include <boost/shared_ptr.hpp>

namespace apache {
namespace thrift {
namespace protocol {

/**
 * <code>TProtocolDecorator</code> forwards all requests to an enclosed
 * <code>TProtocol</code> instance, providing a way to author concise
 * concrete decorator subclasses.
 *
 * <p>See p.175 of Design Patterns (by Gamma et al.)</p>
 *
 * @see apache::thrift::protocol::TMultiplexedProtocol
 */
class TProtocolDecorator : public TProtocol
{
public:
  virtual ~TProtocolDecorator()
  {
  
  }

  // Desc: Initializes the protocol decorator object.
  TProtocolDecorator(const boost::shared_ptr<TProtocol>& proto)
    : TProtocol(proto->getTransport())
    , protocol(proto)
  {
  
  }

  virtual uint32_t writeMessageBegin_virt(const std::string& name,
                                          const TMessageType messageType,
                                          const int32_t seqid)
  {
    return protocol->writeMessageBegin(name, messageType, seqid);
  }
  
  virtual uint32_t writeMessageEnd_virt()
  {
    return protocol->writeMessageEnd();
  }
  
  virtual uint32_t writeStructBegin_virt(const char* name)
  {
    return protocol->writeStructBegin(name);
  }
  
  virtual uint32_t writeStructEnd_virt()
  {
    return protocol->writeStructEnd();
  }

  virtual uint32_t writeFieldBegin_virt(const char* name,
                                        const TType fieldType,
                                        const int16_t fieldId)
  {
    return protocol->writeFieldBegin(name, fieldType, fieldId);
  }

  virtual uint32_t writeFieldEnd_virt()
  {
    return protocol->writeFieldEnd();
  }
  
  virtual uint32_t writeFieldStop_virt()
  {
    return protocol->writeFieldStop(); 
  }

  virtual uint32_t writeMapBegin_virt(const TType keyType,
                                      const TType valType,
                                      const uint32_t size)
  {
    return protocol->writeMapBegin(keyType, valType, size);
  }

  virtual uint32_t writeMapEnd_virt()
  {
    return protocol->writeMapEnd();
  }

  virtual uint32_t writeListBegin_virt(const TType elemType, const uint32_t size)
  {
    return protocol->writeListBegin(elemType, size);
  }

  virtual uint32_t writeListEnd_virt()
  {
    return protocol->writeListEnd();
  }

  virtual uint32_t writeSetBegin_virt(const TType elemType, const uint32_t size)
  {
    return protocol->writeSetBegin(elemType, size);
  }
  
  virtual uint32_t writeSetEnd_virt()
  {
    return protocol->writeSetEnd();
  }

  virtual uint32_t writeBool_virt(const bool value)
  {
    return protocol->writeBool(value);
  }
  
  virtual uint32_t writeByte_virt(const int8_t byte)
  {
    return protocol->writeByte(byte);
  }
  
  virtual uint32_t writeI16_virt(const int16_t i16)
  {
    return protocol->writeI16(i16);
  }
  
  virtual uint32_t writeI32_virt(const int32_t i32)
  {
    return protocol->writeI32(i32);
  }
  
  virtual uint32_t writeI64_virt(const int64_t i64)
  {
    return protocol->writeI64(i64);
  }

  virtual uint32_t writeDouble_virt(const double dub)
  {
    return protocol->writeDouble(dub);
  }
  virtual uint32_t writeString_virt(const std::string& str)
  {
    return protocol->writeString(str);
  }

  virtual uint32_t writeBinary_virt(const std::string& str)
  {
    return protocol->writeBinary(str);
  }

  virtual uint32_t readMessageBegin_virt(std::string& name,
                                         TMessageType& messageType,
                                         int32_t& seqid)
  {
    return protocol->readMessageBegin(name, messageType, seqid);
  }

  virtual uint32_t readMessageEnd_virt()
  {
    return protocol->readMessageEnd();
  }

  virtual uint32_t readStructBegin_virt(std::string& name)
  {
    return protocol->readStructBegin(name);
  }

  virtual uint32_t readStructEnd_virt()
  {
    return protocol->readStructEnd();
  }

  virtual uint32_t readFieldBegin_virt(std::string& name, TType& fieldType, int16_t& fieldId)
  {
    return protocol->readFieldBegin(name, fieldType, fieldId);
  }

  virtual uint32_t readFieldEnd_virt()
  {
    return protocol->readFieldEnd();
  }

  virtual uint32_t readMapBegin_virt(TType& keyType, TType& valType, uint32_t& size)
  {
    return protocol->readMapBegin(keyType, valType, size);
  }

  virtual uint32_t readMapEnd_virt()
  {
    return protocol->readMapEnd();
  }

  virtual uint32_t readListBegin_virt(TType& elemType, uint32_t& size)
  {
    return protocol->readListBegin(elemType, size);
  }
  virtual uint32_t readListEnd_virt()
  {
    return protocol->readListEnd();
  }

  virtual uint32_t readSetBegin_virt(TType& elemType, uint32_t& size)
  {
    return protocol->readSetBegin(elemType, size);
  }

  virtual uint32_t readSetEnd_virt()
  {
    return protocol->readSetEnd();
  }

  virtual uint32_t readBool_virt(bool& value)
  {
    return protocol->readBool(value);
  }

  virtual uint32_t readBool_virt(std::vector<bool>::reference value)
  {
    return protocol->readBool(value);
  }

  virtual uint32_t readByte_virt(int8_t& byte)
  {
    return protocol->readByte(byte);
  }

  virtual uint32_t readI16_virt(int16_t& i16)
  {
    return protocol->readI16(i16);
  }
  
  virtual uint32_t readI32_virt(int32_t& i32)
  {
    return protocol->readI32(i32);
  }
  
  virtual uint32_t readI64_virt(int64_t& i64)
  {
    return protocol->readI64(i64);
  }

  virtual uint32_t readDouble_virt(double& dub)
  {
    return protocol->readDouble(dub);
  }

  virtual uint32_t readString_virt(std::string& str)
  {
    return protocol->readString(str);
  }
  
  virtual uint32_t readBinary_virt(std::string& str)
  {
    return protocol->readBinary(str);
  }

private:
  boost::shared_ptr<TProtocol> protocol;
};

}
}
}

#endif // THRIFT_TPROTOCOLDECORATOR_H_
